VectorNav: rename dataflash log message names #33069

Job	Run time
build (chibios, Durandal)	19m 40s
build (chibios, MatekF405)	17m 8s
build (chibios, KakuteF7)	16m 7s
build (chibios, MatekH743-bdshot)	19m 16s
build (chibios, Pixhawk1-1M)	17m 13s
build (chibios, MatekF405-CAN)	4m 14s
build (chibios, DrotekP3Pro)	4m 1s
build (chibios, Hitec-Airspeed)	5m 24s
build (chibios, f103-GPS)	5m 55s
build (disco, armhf)	15m 54s
	2h 4m 52s

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